package com.xiaomai.eduservice.listenter;

import com.alibaba.excel.context.AnalysisContext;
import com.alibaba.excel.event.AnalysisEventListener;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.xiaomai.eduservice.entity.EduSubject;
import com.xiaomai.eduservice.entity.excel.SubjectData;
import com.xiaomai.eduservice.service.EduSubjectService;
import com.xiaomai.servicebase.config.exceptionhandler.GuliException;

public class SubjectExcelListenter extends AnalysisEventListener<SubjectData> {

    public EduSubjectService subjectService;

    public SubjectExcelListenter() {}
    public SubjectExcelListenter(EduSubjectService subjectService) {
        this.subjectService = subjectService;
    }


    @Override
    public void invoke(SubjectData subjectData, AnalysisContext analysisContext) {
        if (subjectData == null){
            throw new GuliException(20001,"文件数据为空");
        }

        EduSubject existOneSubject = this.existOneSubject(subjectService,subjectData.getOneSubjectName());
        if (existOneSubject==null){
            existOneSubject  = new EduSubject();
            existOneSubject.setParentId("0");
            existOneSubject.setTitle(subjectData.getOneSubjectName());
            subjectService.save(existOneSubject);
        }

        //获取一级分类id值
        String pid = existOneSubject.getId();
        EduSubject existTwoSubject = this.existTwoSubject(subjectService,subjectData.getTwoSubjectName(),pid);
        if (existTwoSubject==null){
            existTwoSubject  = new EduSubject();
            existTwoSubject.setParentId(pid);
            existTwoSubject.setTitle(subjectData.getTwoSubjectName());
            subjectService.save(existTwoSubject);
        }

    }

    //判断一级分类不能重复添加
    private EduSubject existOneSubject(EduSubjectService subjectService,String name){
    QueryWrapper<EduSubject> wrapper = new QueryWrapper<>();
    wrapper.eq("title",name);
    wrapper.eq("parent_id","0");
    EduSubject oneSubject = subjectService.getOne(wrapper);
    return oneSubject;
    }
    //判断二级分类不能重复添加
    private EduSubject existTwoSubject(EduSubjectService subjectService,String name,String pid){
        QueryWrapper<EduSubject> wrapper = new QueryWrapper<>();
        wrapper.eq("title",name);
        wrapper.eq("parent_id",pid);
        EduSubject twoSubject = subjectService.getOne(wrapper);
        return twoSubject;
    }


    @Override
    public void doAfterAllAnalysed(AnalysisContext analysisContext) {

    }
}
